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11997331483 = 31675776279
BaseRepresentation
bin10110010110001100…
…01100000000011011
31010222010002120211111
423023012030000123
5144032304101413
65302252241151
7603206430544
oct131306140033
933863076744
1011997331483
1150a71a9795
1223a9a701b7
13119273c017
1481b5254cb
154a33e4d3d
hex2cb18c01b

11997331483 has 8 divisors (see below), whose sum is σ = 12569185280. Its totient is φ = 11437030440.

The previous prime is 11997331471. The next prime is 11997331513. The reversal of 11997331483 is 38413379911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11997331483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11997331433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886063 + ... + 2890216.

It is an arithmetic number, because the mean of its divisors is an integer number (1571148160).

Almost surely, 211997331483 is an apocalyptic number.

11997331483 is a deficient number, since it is larger than the sum of its proper divisors (571853797).

11997331483 is an equidigital number, since it uses as much as digits as its factorization.

11997331483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776377.

The product of its digits is 489888, while the sum is 49.

It can be divided in two parts, 1199733 and 1483, that added together give a square (1201216 = 10962).

The spelling of 11997331483 in words is "eleven billion, nine hundred ninety-seven million, three hundred thirty-one thousand, four hundred eighty-three".

Divisors: 1 31 67 2077 5776279 179064649 387010693 11997331483